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Not sure, but you might be able to get a matching logo from Mesa to further the uniform look. I know I'm hung up on stuff like that. But any Mesa logo warms my heart...

The handle on my F-30 combo, which appears in excellent shape, does not inspire my confidence. It feels like it's about to break. Dropping my amp (especially on my size 13s) does not appeal to me at all. Does someone make a more secure feeling handle? Or am I worried for nothing? Mesa always...

I think you're onto something - try different preamp tubes. Cool thing about tube amps - you can change how they sound, sometimes radically, with different tubes. Tubes come in various "hardnesses" - for blues you'd probably want a "softer" tube. Historically, Sovteks were softer than Pentas and...

I had a similar problem in my 22+. I was told to swap preamp tubes one at a time - sho' 'nuff, one of them was bad. That amp also ran JJs for power, BTW. My F30 (also running JJs) is surprisingly quiet, so I don't think it's the amp itself, though high-gain usually does translate into high...

I used to have a nice .22+. Originally I replaced the stock Black Shadow speaker with a Celestion Vintage 30. It was heavenly, a perfect match for the amp IMO. I foolishly sold this amp - then bought it back a couple of years later. The Black Shadow was back in place, so I had to swap it again...

Sorry, no pics. Both looked virtually new, but were used. One was in a black Mark case, the other in the production Maverick case. If you didn't look closely, you'd never see anything remarkable about either amp.

In my travels I've run into the odd Mesa prototype now and then. The guy at the Hollywood store told me they build a number of them, spread them around, and either sell them or "lose track" of them. They don't value their prototypes in particular or seem to consider them as having extraordinary...

Hey Tommy - No, mine lacks a master volume that controls the entire amp. And it is a gem - just a great package, great tone. This one will never be for sale. Greg

12" Black Shadow Vintage VST-12 speaker in good working condition, good cosmetics, no problems. Rated at 50 watts and 8 ohms. $40 shipped to lower 48 states or make offer. Came out of a Studio 22+ built in 1989. Contact me at [email protected] or through this ad. Thanks - Greg

A good friend in KY has a 50+ with EL84s and a graphic. His also says "Class A Power" on the back. He loves his. I don't know the history - Mesa may have transitioned or just made multiple versions - they're known to do both. To add to the confusion a bit, I have a 22+ - but no graphic. I...

The Century Vintage speaker is nearly identical sonically to the Vintage 30 of fame, according to Celestion and the guy who I bought it from. Paid $99 plus $8 shipping from Avatar - that might be cheaper than a regular Vintage 30 these days. This speaker weighs about three pounds. My amp now...

You're most welcome - I'm glad I was able to explain it. I wasn't sure if I could. There were no changes to the transformer or any other circuitry. Total parts cost was under $20. It was done by a friend who has modified amps for his own use and amusement for many years. He did have to very...

I realize there is controversy surrounding Class A at times, and I'm not knowledgeable in this regard. I'll tell you what we did in primitive terms (my level of understanding). A switch was installed that renders my amp as cathode biased (as opposed to whatever Class A/B is) - and there is some...

Any ideas as to why some Studio 22s say Class A and others (like mine) don't? We did a Class A mod to mine - very nice upgrade, totally switchable.

New guy here, long time Boogie player. Two questions: What is the difference between a .22 and a .22 + ? Why do some .22s say "Class A Power" on the back? Mine does not. Mine is a 22+ - the + is silkscreened, but is almost an inch away from the rest of the name. I've seen other photos where...